GB1367393A - Sleeves for use with pipelines - Google Patents

Sleeves for use with pipelines

Info

Publication number
GB1367393A
GB1367393A GB312172A GB312172A GB1367393A GB 1367393 A GB1367393 A GB 1367393A GB 312172 A GB312172 A GB 312172A GB 312172 A GB312172 A GB 312172A GB 1367393 A GB1367393 A GB 1367393A
Authority
GB
United Kingdom
Prior art keywords
pipe
line
opening
lid portion
sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB312172A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Addison P J W Brown F J
Hatton T L
Original Assignee
Addison P J W Brown F J
Hatton T L
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Addison P J W Brown F J, Hatton T L filed Critical Addison P J W Brown F J
Priority to GB312172A priority Critical patent/GB1367393A/en
Publication of GB1367393A publication Critical patent/GB1367393A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

1367393 Sleeving for pipe-lines P J W ADDISON F J BROWN and T L HATTON 18 Jan 1973 [22 Jan 1972] 3121/72 Heading B8C A sleeve, for use in providing an outer cover about a pipe-line, comprises a part-cylindrical body portion 1 having an opening which extends the full length thereof with straight sides extendalong parallel generatrices of the cylinder, and a lid portion 2 adapted to fit into said opening to complete the cylindrical shape of the sleeve stiffening structure 3, 6 and 4, 5 being provided in both the body portion and the lid portion at locations spaced axially thereof to maintain them in their part-cylindrical form when the lid portion is separate from the body, and the stiffening structure being located adjacent the inside of the body and lid portions to leave a pipe-line receiving-space therein, the minimum cross-sectional dimension of the space being substantially equal to the width between the straight sides of said opening. As shown, the part-cylindrical portion 1, and the lid portion 2 have welded, to their interior surfaces, at spaced locations along their lengths, crescentshaped stiffening members 3, 4 respectively which have pipe-line supporting pads 5, 6. The latter may be exteriorly lined with electrical insulating material, alternatively, an insulating band, e.g. of rubber, may be located around the pipe-line adjacent each reinforcing structure. In order to manufacture a sleeve the stiffening structures 3, 6 and 4, 5 are first welded, at the appropriate positions, within a whole cylindrical tube, comprised, e.g. of steel covered with bitumen material, after which the lid portion 2 is cut from the body portion 1. In order to mount the sleeve over a pipe-line, not shown, the body portion 1, with its opening lowermost, is placed over the pipe-line and is then rotated so that its opening is uppermost and the lid portion 2 can be lowered into position to close the opening. The lid portion 2 can be welded in position, the weld material being retained by strips 8, Fig. 3. A series of sleeves, welded end-to-end, may be provided along a pipe-line, a bend in the pipeline being negotiated by cutting a sleeve into angled segments arranged in "lobster back" configuration.
GB312172A 1973-01-18 1973-01-18 Sleeves for use with pipelines Expired GB1367393A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB312172A GB1367393A (en) 1973-01-18 1973-01-18 Sleeves for use with pipelines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB312172A GB1367393A (en) 1973-01-18 1973-01-18 Sleeves for use with pipelines

Publications (1)

Publication Number Publication Date
GB1367393A true GB1367393A (en) 1974-09-18

Family

ID=9752319

Family Applications (1)

Application Number Title Priority Date Filing Date
GB312172A Expired GB1367393A (en) 1973-01-18 1973-01-18 Sleeves for use with pipelines

Country Status (1)

Country Link
GB (1) GB1367393A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126313A (en) * 1982-08-30 1984-03-21 Gen Connector Corp Shroud for aircraft duct
US4907697A (en) * 1987-01-19 1990-03-13 Mecania Ab Container for transporting long objects, especially rolls for papermaking machines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126313A (en) * 1982-08-30 1984-03-21 Gen Connector Corp Shroud for aircraft duct
US4907697A (en) * 1987-01-19 1990-03-13 Mecania Ab Container for transporting long objects, especially rolls for papermaking machines

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee